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@@ -31,6 +31,7 @@
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/* max number of user-defined controls */
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#define MAX_USER_CONTROLS 32
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+#define MAX_CONTROL_COUNT 1028
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struct snd_kctl_ioctl {
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struct list_head list; /* list of all ioctls */
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@@ -195,6 +196,10 @@ static struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control,
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if (snd_BUG_ON(!control || !control->count))
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return NULL;
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+
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+ if (control->count > MAX_CONTROL_COUNT)
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+ return NULL;
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+
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kctl = kzalloc(sizeof(*kctl) + sizeof(struct snd_kcontrol_volatile) * control->count, GFP_KERNEL);
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if (kctl == NULL) {
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snd_printk(KERN_ERR "Cannot allocate control instance\n");
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